# include <stdio.h>
# include <string.h>
int main() {
    char c[10];
    // 把数组c的10个元素都赋值为'a'
    memset(c, 'b', 10);
    for (int i=0; i<10; i++) {
        printf("%c\t", c[i]);
    }
    return 0;
}